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0029478: Crash because bSplineSurfaceWithKnots is NULL.

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Modified the method void RWStepGeom_RWBSplineSurfaceWithKnotsAndRationalBSplineSurface::ReadStep
Added processing B spline surface with knots and rational B spline surface with empty data in the name field
Added test
This commit is contained in:
asemenov 2021-09-17 18:46:43 +03:00 committed by smoskvin
parent 296dbe8cc8
commit 5dd92c395a
2 changed files with 22 additions and 5 deletions
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16
src/RWStepGeom/RWStepGeom_RWBSplineSurfaceWithKnotsAndRationalBSplineSurface.cxx
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@ -261,15 +261,21 @@ void RWStepGeom_RWBSplineSurfaceWithKnotsAndRationalBSplineSurface::ReadStep
// --- Instance of plex component RepresentationItem ---
if (!data->CheckNbParams(num,1,ach,"representation_item")) return;
// --- field : name ---
Handle(TCollection_HAsciiString) aName;
//szv#4:S4163:12Mar99 `Standard_Boolean stat14 =` not needed
data->ReadString (num,1,"name",ach,aName);
// num = data->NextForComplex(num);
if (!data->CheckNbParams(num, 1, ach, "representation_item"))
{
aName = new TCollection_HAsciiString("");
}
else
{
//szv#4:S4163:12Mar99 `Standard_Boolean stat14 =` not needed
data->ReadString(num, 1, "name", ach, aName);
}
// num = data->NextForComplex(num);
data->NamedForComplex("SURFACE", "SRFC",num0,num,ach);
//--- Initialisation of the red entity ---

11
tests/bugs/step/bug29478 Normal file
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@ -0,0 +1,11 @@
puts "============"
puts "OCC29478"
puts "============"
puts ""
#####################################################
# Crash because bSplineSurfaceWithKnots is NULL
#####################################################
set aFilePath [locate_data_file bug29478.stp]
testreadstep "$aFilePath" orig
checkshape orig